Price reduced!! Functionality has been confirmed. Double-sided tape is attached to the back. Please check the photos for any scratches. Specifications: ■ Guitar/Bass Tuner ■ High-quality Bonafide Buffer equipped ■ Reference pitch range: 432 to 445Hz (1Hz steps) ■ True bypass / Buffered bypass switchable *1 True bypass is the default setting. ■ 3 tuning modes: - Polyphonic tuning mode: Displays tuning information for all 6 strings at once. - Fast chromatic tuning mode: Achieves +/-0.5 cent accuracy. - Strobe tuning mode: Achieves ultra-high precision tuning of +/-0.02 cents. ■ Built-in high-quality buffer with 1M Ohms input / 100 Ohms output, > 112 dB S/N ratio ■ High-visibility display with 109 high-brightness LEDs, built-in ambient light sensor that automatically adjusts display brightness according to the environment. ■ MONOPOLY patented algorithm that automatically analyzes whether the input is a single note or a chord and switches the tuning method. ■ Current consumption: >100mA ■ Power: DC9V center negative *It is recommended to use a power adapter due to the high current consumption. ■ Size: H72 x W122 x D50mm